Man...this is like work...being a lawyer I get paid to argue but here it is on my own time...looking at your quote I would argue the key work is "road"...as in "the road will be closed to public use"....Roaring Fork can be accessed from the Park boundary by fishing up the stream....as I said earlier to do this and not use the road would dictate walking back out down the the streambed....if you are down in this first part of the stream up to the first bridge you can't get to the road anyway unless you are a mountain goat or an Army Ranger....